// -------------------------------------------------------------------------------------------------
// Copyright 2024 Kearn Chen, kearn.chen@aliyun.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// -------------------------------------------------------------------------------------------------
// Description :
//             1. Interrupt test
// -------------------------------------------------------------------------------------------------

task initcase;

    load_instr("interrupt_test/interrupt_test.bin");

endtask

task testcase;

    #1_000_000;

    @(posedge core_clk) #5;
    irq_lines = 16'hffff;
    @(posedge core_clk) #5;
    irq_lines = 16'h0000;
    #1_000_000;

    repeat(100) begin
        @(posedge core_clk) #5;
        irq_lines = $urandom_range(0, 65535);
        @(posedge core_clk) #5;
        irq_lines = 16'h0000;
        #500_000;
    end

endtask
